Consistent and Cost-Effective PCB-Based D-Band Air-Filled Substrate-Integrated-Waveguide Filters

Only a limited amount of research has been performed on the implementation of air-filled substrate-integrated-waveguide (AFSIW) systems in multi-layer PCB stacks at subterahertz frequencies. In this paper, we investigate the manufacturing reliability and the measurement repeatability based on severa...

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Bibliographic Details
Published in2024 IEEE International Microwave Filter Workshop (IMFW) pp. 167 - 169
Main Authors Van Messem, Laura, Broucke, Reinier, Rogier, Hendrik, Sinha, Siddhartha, Ocket, Ilja, Trischler, Heinrich, Schlaffer, Erich, Schlick, Daniel, Lemey, Sam
Format Conference Proceeding
LanguageEnglish
Published IEEE 21.02.2024
Subjects
air-filled substrate-integrated-waveguide
Any- Layer High Density Interconnect (HDI)
consistency
D-band
filter
Frequency measurement
Insertion loss
Loss measurement
Manufacturing
Microwave measurement
PCB manufacturing
Reliability
repeatability
sub-terahertz
Transmission line measurements
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Summary:Only a limited amount of research has been performed on the implementation of air-filled substrate-integrated-waveguide (AFSIW) systems in multi-layer PCB stacks at subterahertz frequencies. In this paper, we investigate the manufacturing reliability and the measurement repeatability based on several measurements of AFSIW transmission lines and three different filters on three separate PCB panels at D-band frequencies (110 GHz-170 GHz). A promising dual-cavity AFSIW filter with a steep roll-off on both sides of the passband is designed, fabricated and measured. The measured insertion loss is around 3 dB, while the out-of-band suppression is better than 30 dB.
DOI:10.1109/IMFW59690.2024.10477120